def test_sets(self):
c1 = dcs.Counter(1)
c2 = dcs.Counter(2)
c3 = dcs.Counter(3)
s1 = {1, 2, 3}
s2 = set((c1, c2, c3))
self.assertEqual(s1, s2)
def test_mod(self):
c1 = dcs.Counter(5)
c2 = dcs.Counter(4)
self.assertEqual(c1 % 4, 1)
self.assertEqual(c1 % c2, 1)
with self.assertRaises(TypeError):
c1 % 4.
def test_comp_counter(self):
c1 = dcs.Counter(1)
c2 = dcs.Counter(2)
self.assertEqual(c1, c1)
self.assertNotEqual(c1, c2)
self.assertLess(c1, c2)
self.assertGreater(c2, c1)
self.assertLessEqual(c1, c1)
self.assertGreaterEqual(c2, c2)
def test_divide(self):
c1 = dcs.Counter(2)
c2 = dcs.Counter(4)
self.assertEqual(c1 // 4, 0)
self.assertEqual(c1 // c2, 0)
self.assertAlmostEqual(c1 / 4, 0.5)
with self.assertRaises(TypeError):
c1 / c2
with self.assertRaises(TypeError):
c1 // 5.
def test_comp_int(self):
c = dcs.Counter(10)
self.assertEqual(c, 10)
self.assertNotEqual(c, 0)
self.assertTrue(c < 100)
self.assertTrue(c > 0)
self.assertTrue(c <= 10)
self.assertTrue(c >= 10)
def test_print(self):
c1 = dcs.Counter(1)
with dcs.capture_output() as out:
print(c1)
output = out.getvalue().strip()
out.close()
self.assertEqual(output, '1')
output = repr(c1)
self.assertEqual(output, 'Counter(1)')
def test_math_float(self):
c = dcs.Counter(0)
with self.assertRaises(TypeError):
c = c + 1.5
with self.assertRaises(TypeError):
c = c - 1.5
with self.assertRaises(TypeError):
c += 1.5
with self.assertRaises(TypeError):
c -= 1.5
def test_math_counter(self):
c1 = dcs.Counter(10)
c2 = dcs.Counter(-5)
c3 = c1 + c2
self.assertEqual(c3, dcs.Counter(5))
c1 += c2
self.assertEqual(c1, dcs.Counter(5))
c3 = c1 - c2
self.assertEqual(c3, dcs.Counter(10))
c3 = c1 + (-c2)
self.assertEqual(c3, dcs.Counter(10))
c3 = +c1 - c2
self.assertEqual(c3, dcs.Counter(10))
c1 -= c2
self.assertEqual(c1, dcs.Counter(10))
def test_math_int(self):
c = dcs.Counter()
c = c + 1
self.assertEqual(c, 1)
def test_math_int3(self):
c = dcs.Counter()
c = c - 5
self.assertEqual(c, -5)
def test_abs(self):
c1 = dcs.Counter(11)
c2 = dcs.Counter(-12)
self.assertEqual(abs(c1), 11)
self.assertEqual(abs(c2), 12)
def test_math_int4(self):
c = dcs.Counter()
c -= 2
self.assertEqual(c, -2)
def test_index_list(self):
a_list = [0, 1, 2]
c = dcs.Counter(1)
self.assertEqual(a_list[c], 1)
def test_lists(self):
c_list = [dcs.Counter(3), dcs.Counter(-5), dcs.Counter(1)]
c_list.sort()
self.assertEqual(c_list[0], -5)
self.assertEqual(c_list[1], 1)
self.assertEqual(c_list[2], 3)
def test_math_int7(self):
c = dcs.Counter(10)
c = 0 + c
self.assertEqual(c, 10)
def test_math_int8(self):
c = 0 - dcs.Counter(10)
self.assertEqual(c, -10)
def test_math_int2(self):
c = dcs.Counter()
c += 1
self.assertEqual(c, 1)